here is the the link that works and I used it flawlessly :
http://hackint0sh.org/forum/showthread.php?t=13170

just substitute winSCP with any mac FTP
just substitute Putty with terminal

worked like a charm.

then once your are back to 1.0.2 then follow this guide from step 3
http://www.winandmac.com/mobile/ipho...-111-for-free/

worked for me
I now have a fully unlocked 1.1.1 iPhone.